JPH0486336U - - Google Patents
Info
- Publication number
- JPH0486336U JPH0486336U JP13042290U JP13042290U JPH0486336U JP H0486336 U JPH0486336 U JP H0486336U JP 13042290 U JP13042290 U JP 13042290U JP 13042290 U JP13042290 U JP 13042290U JP H0486336 U JPH0486336 U JP H0486336U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- active
- transmission line
- resonator
- inductance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Networks Using Active Elements (AREA)
Description
第１図はこの考案の一実施例を示す回路図であ
る。第２図は第１図実施例の回路構造を示す平面
図解図である。第３図はインピーダンス特性を示
すグラフである。第４図はこの実施例が磁界結合
したときの特性を示すグラフである。第５図はこ
の実施例が電界結合したときの特性を示すグラフ
である。第６図は従来技術を示す回路図である。
第７Ａ図および第７Ｂ図は従来のフイルタ特性を
示すグラフである。
図において、１０はアクテイブフイルタ、１２
は伝送ライン、２４は共振器素子、３０は帰還ル
ープ、３２はアンプ、３８はインダクタンス素子
、４０はキヤパシタンス素子を示す。
FIG. 1 is a circuit diagram showing an embodiment of this invention. FIG. 2 is an illustrative plan view showing the circuit structure of the embodiment shown in FIG. FIG. 3 is a graph showing impedance characteristics. FIG. 4 is a graph showing the characteristics of this embodiment when magnetically coupled. FIG. 5 is a graph showing the characteristics of this embodiment when electric field coupling is applied. FIG. 6 is a circuit diagram showing the prior art.
FIGS. 7A and 7B are graphs showing conventional filter characteristics. In the figure, 10 is an active filter, 12
24 is a transmission line, 24 is a resonator element, 30 is a feedback loop, 32 is an amplifier, 38 is an inductance element, and 40 is a capacitance element.
Claims (1)
記共振器素子に結合される能動素子を含む帰還ル
ープを備えるアクテイブフイルタにおいて、 前記伝送ラインと前記共振器素子との間にイン
ダクタンス素子またはキヤパシタンス素子を付加
し、前記インダクタンス素子またはキヤパシタン
ス素子の値を調節して、フイルタ特性を左右対称
にする、アクテイブフイルタ。[Claims for Utility Model Registration] In an active filter comprising a feedback loop including a resonator element coupled to a transmission line and an active element coupled to the resonator element, between the transmission line and the resonator element. An active filter in which an inductance element or a capacitance element is added to the filter, and the value of the inductance element or capacitance element is adjusted to make the filter characteristics bilaterally symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13042290U JPH0486336U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13042290U JPH0486336U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0486336U true JPH0486336U (en) | 1992-07-27 |
Family
ID=31877764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13042290U Pending JPH0486336U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0486336U (en) |
-
1990
- 1990-11-30 JP JP13042290U patent/JPH0486336U/ja active Pending